110900991109 has 4 divisors (see below), whose sum is σ = 111126859200. Its totient is φ = 110675123020.

The previous prime is 110900991101. The next prime is 110900991119. The reversal of 110900991109 is 901199009011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110900991109 - 2³ = 110900991101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110900991101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112933309 + ... + 112934290.

It is an arithmetic number, because the mean of its divisors is an integer number (27781714800).

Almost surely, 2^110900991109 is an apocalyptic number.

It is an amenable number.

110900991109 is a deficient number, since it is larger than the sum of its proper divisors (225868091).

110900991109 is an equidigital number, since it uses as much as digits as its factorization.

110900991109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225868090.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 110900991109 in words is "one hundred ten billion, nine hundred million, nine hundred ninety-one thousand, one hundred nine".